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Ningbo High-tech Zone Keyalong New Material Technology Co., Ltd. is the first-level agent of Hyosung's engineering plastic polyketone (POK) and provides modified POK materials. The company produces modified engineering plastic raw materials such as POK, PA6, PA66, PPA, PBT, PAMXD6, PP, PA46, PPS, PPO, PPSU and alloy materials, and long carbon chain nylons (PA11, PA12, PA610, PA612, PA1010, PA1012). These materials have the properties of flame retardancy, corrosion resistance, wear resistance, impact resistance, good high-temperature performance and excellent barrier properties, and are widely used in the fields of electronics and electrical appliances, automotive parts, mechanical parts, food packaging, medical devices, sports equipment, railway and aviation, petrochemical industry, etc., as well as high-temperature oil pipes, flexible composite pipes, wires and cables, and high temperature POK lined oil pipe.